| tris- | <prefix> A chemical prefix indicating three of the substituents that follow, independently linked. Compare: tri-. (05 Mar 2000) |
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| Tris | <abbreviation, chemical> Tris(hydroxymethyl)aminomethane and tris(hydroxymethyl)methylamine; used as a trivial name. (05 Mar 2000) |
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| tris(hydroxymethyl)aminomethane | <chemical> An organic amine proton acceptor. It is used in the synthesis of surface-active agent and pharmaceuticals; as an emulsifying agent for cosmetic creams and lotions, mineral oil and paraffin wax emulsions, is a biological buffer, and is used as an alkaliser. Pharmacological action: buffers, excipient. Chemical name: 1,3-Propanediol, 2-amino-2-(hydroxymethyl)- (12 Dec 1998) |
| tris(hydroxymethyl)methylamine | <chemical> An organic amine proton acceptor. It is used in the synthesis of surface-active agent and pharmaceuticals; as an emulsifying agent for cosmetic creams and lotions, mineral oil and paraffin wax emulsions, is a biological buffer, and is used as an alkaliser. Pharmacological action: buffers, excipient. Chemical name: 1,3-Propanediol, 2-amino-2-(hydroxymethyl)- (12 Dec 1998) |